For pure essential oils, add one drop in 2.5 mL (or 1/2 teaspoon) of vegetable oil and apply it to your arm. If the area turns red, or if there is burning or itchiness, wash the area and do not use that product. Overuse of essential oils can trigger a headache or dizziness. Don't exceed recommended amounts.
Alphonso Johnson. Alphonso Johnson (born February 2, 1951) is an American jazz bassist, who has been active since the early 1970s.
The late Alphonse Chapanis, PhD, PA, an industrial and human factors psychologist, took a leave of absence from his post at the Johns Hopkins University in 1953 and 1954 to work on the technical staff at the Bell Telephone Laboratories. Bell Telephone, in the days before deregulation, monopolized the industry.